Credit: Mary Sledd/WireImage

Obvious note to Jake Gyllenhaal fans: Don't snap a pic of Jake in the john!

Over the weekend, TMZ reported that Gyllenhaal, 30, got upset inside a men's room during a screening of his flick Source Code at the South by Southwest Festival in Austin, Texas -- when another guy snapped a photo of the sexy star. See more shots of Jake at SXSW.

"That's true," the sexy actor admitted, laughing, to Entertainment Weekly.

According to the initial report, after Gyllenhaal and the bathroom paparazzi exchanged words, the bathroom pic was deleted.

Of the heated encounter, Gyllenhaal added to EW: "I think it's an appropriate space to keep privacy. I hope that people wouldn't disagree with me on that."

Gyllenhaal (who split from Taylor Swift over New Year's) loved watching his new thriller Source Code while a pal from Austin took it all in.

"Literally he grabbed my leg at one point and then at another time....he was like 'Oh my god, what the hell?!' I was like 'Yes!'" boasted the star.